History: Assembly line production of vacuum cleaners at the Elektromotorenwerk, Siemens' electric motor plant in 1931, Berlin [2835x2148]

https://i.redd.it/isdaxstp57c31.jpg via /r/HistoryPorn https://www.reddit.com/r/HistoryPorn/comments/ch4knq/assembly_line_production_of_vacuum_cleaners_at/?utm_source=ifttt